<template>
    <div>
        <!-- 面包屑导航栏 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input
                        placeholder="请输入内容"
                        v-model="queryInfo.query"
                        clearable
                        @clear="getUserList"
                    >
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <el-table :data="userlist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column prop="mg_state" label="状态">
                    <template slot-scope="scope">
                        <el-switch
                            v-model="scope.row.mg_state"
                            @change="userStateChange(scope.row)"
                        ></el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope" size="180px">
                        <el-button
                            type="primary"
                            icon="el-icon-edit"
                            size="mini"
                            @click="showEditDialog(scope.row.id)"
                        ></el-button>
                        <el-button
                            type="danger"
                            icon="el-icon-delete"
                            size="mini"
                            @click="deleteUserInfo(scope.row.id)"
                        ></el-button>
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
            ></el-pagination>
        </el-card>
        <!-- 添加用户弹框 -->
        <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%"
            @close="addDialogClose"
        >
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password" type="password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 编辑用户弹框 -->
        <el-dialog
            title="编辑用户"
            :visible.sync="editDialogVisible"
            width="50%"
            @close="editDialogClose"
        >
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配用户角色 -->
        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleClosed">
            <div>
                <p>当前用户：{{userInfo.username}}</p>
                <p>当前角色：{{userInfo.role_name}}</p>
                <p>分配的新角色：
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option
                        v-for="item in rolesList"
                        :key="item.id"
                        :label="item.roleName"
                        :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="allotRole">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
export default {
    data: function() {
        // 验证邮箱
        var checkEmail = (rule, val, cb) => {
            const regEmail = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+\.[a-zA-Z0-9_-]+/;
            if (regEmail.test(val)) return cb();
            cb(new Error("请输入合法的邮箱"));
        };
        // 验证手机号
        var checkMobile = (rule, val, cb) => {
            const regMobile = /^1[3|5|7|8|9][0-9]{9}$/;
            if (regMobile.test(val)) return cb();
            cb(new Error("请输入合法的手机号"));
        };
        return {
            queryInfo: {
                query: "",
                pagenum: 1,
                pagesize: 2
            },
            userlist: [],
            total: 0,
            addDialogVisible: false,
            addForm: {
                username: "",
                password: "",
                email: "",
                mobile: ""
            },
            addFormRules: {
                username: [
                    {
                        required: true,
                        message: "请输入用户名",
                        trigger: "blur"
                    },
                    {
                        min: 3,
                        max: 15,
                        message: "长度在 3 到 15 个字符",
                        trigger: "blur"
                    }
                ],
                password: [
                    { required: true, message: "请输入密码", trigger: "blur" },
                    {
                        min: 6,
                        max: 15,
                        message: "长度在 6 到 15 个字符",
                        trigger: "blur"
                    }
                ],
                email: [
                    { required: true, message: "请输入邮箱", trigger: "blur" },
                    { validator: checkEmail, trigger: "blur" }
                ],
                mobile: [
                    { required: true, message: "请输入手机", trigger: "blur" },
                    { validator: checkMobile, trigger: "blur" }
                ]
            },
            editDialogVisible: false,
            editForm: {},
            editFormRules: {
                email: [
                    { required: true, message: "请输入邮箱", trigger: "blur" },
                    { validator: checkEmail, trigger: "blur" }
                ],
                mobile: [
                    { required: true, message: "请输入手机", trigger: "blur" },
                    { validator: checkMobile, trigger: "blur" }
                ]
            },
            setRoleDialogVisible: false,
            userInfo:{},
            rolesList:[],
            selectedRoleId:'',
        };
    },
    created: function() {
        this.getUserList();
    },
    methods: {
        getUserList: async function() {
            const { data: res } = await this.$http.get("users", {
                params: this.queryInfo
            });
            this.userlist = res.data.users;
            this.total = res.data.total;
        },
        handleSizeChange(pagesize) {
            console.log(pagesize);
            this.queryInfo.pagesize = pagesize;
            this.getUserList();
        },
        handleCurrentChange(pagenum) {
            console.log(pagenum);
            this.queryInfo.pagenum = pagenum;
            this.getUserList();
        },
        async userStateChange(userInfo) {
            // console.log(userInfo);
            const { data: res } = await this.$http.put(
                `users/${userInfo.id}/state/${userInfo.mg_state}`
            );
            // console.log(res)
            if (res.meta.status != 200)
                return this.$message.error("用户状态切换失败");
            this.$message.success("用户状态切换成功");
        },
        addDialogClose: function() {
            console.log(this);
            this.$refs.addFormRef.resetFields();
        },
        addUser: function() {
            this.$refs.addFormRef.validate(async valid => {
                console.log(valid);
                if (!valid) return;
                const { data: res } = await this.$http.post(
                    "users",
                    this.addForm
                );
                console.log(res);
                if (res.meta.status != 201)
                    return this.$message.error("添加用户失败");
                this.$message.success("添加用户成功");
                this.addDialogVisible = false;
                this.getUserList();
            });
        },
        showEditDialog: async function(id) {
            const { data: res } = await this.$http.get("users/" + id);
            console.log(res);
            if (res.meta.status != 200)
                return this.$message.error("用户信息查询失败");
            this.editForm = res.data;

            this.editDialogVisible = true;
        },
        editDialogClose: function() {
            this.$refs.editFormRef.resetFields();
        },
        editUserInfo: function() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return;
                const { data: res } = await this.$http.put(
                    "users/" + this.editForm.id,
                    {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    }
                );
                if (res.meta.status != 200)
                    return this.$message.error("用户信息修改失败");
                this.$message.success("用户信息修改成功");
                this.editDialogVisible = false;
                this.getUserList();
            });
        },
        deleteUserInfo: async function(id) {
            const confirmResult = await this.$confirm(
                "此操作将永久删除该用户, 是否继续?",
                "提示",
                {
                    confirmButtonText: "确定",
                    cancelButtonText: "取消",
                    type: "warning"
                }
            ).catch(err => err);
            if(confirmResult !== "confirm") return this.$message.info("已取消删除");
            const {data : res} = await this.$http.delete('users/'+id);
            if(res.meta.status != 200) return this.$message.error('删除用户失败！');
            this.$message.success('删除用户成功！');
            this.getUserList();
        },
        async setRole(userInfo){
            this.userInfo = userInfo;
            const {data : res} = await this.$http.get('roles');
            if(res.meta.status != 200) return this.$message.error('获取角色列表失败');
            this.rolesList = res.data;
            console.log(this.rolesList);
            this.setRoleDialogVisible = true;
        },
        async allotRole(){
            if(!this.selectedRoleId) return this.$message.warning('请分配用户角色');
            const {data : res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId});
            if(res.meta.status != 200) return this.$message.error('分配用户角色失败');
            this.$message.success('更新用户角色成功');
            this.getUserList();
            this.setRoleDialogVisible = false;
        },
        setRoleClosed(){
            this.selectedRoleId = '';
            this.userInfo = '';
        }
    }
};
</script>
<style lang="less" scoped>
</style>